Simultaneous Nadir Overpasses (SNOs) between GOES-17 and FY3D
TLE Epoch: 2023 10 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 10/16/2023   21:22:37   (   0.00,-104.68) (  -0.65,-107.43)  313.67                80
 10/17/2023   21:06:53   (   0.00,-104.68) (   0.41,-102.97)  195.20                80
 10/19/2023   09:29:10   (  -0.00,-104.71) (   0.80,-108.33)  413.25                80
 10/20/2023   09:08:05   (  -0.01,-104.70) (  -0.20,-103.87)   95.04                80
 10/22/2023   21:12:03   (   0.02,-104.65) (  -0.04,-104.79)   16.26                80
 10/23/2023   20:56:18   (   0.02,-104.65) (   0.98,-100.32)  492.63                80
 10/25/2023   09:18:35   (  -0.02,-104.68) (   0.22,-105.68)  115.43                80
 10/26/2023   08:57:30   (  -0.02,-104.67) (  -0.80,-101.22)  393.37                80
 10/27/2023   21:19:54   (   0.02,-104.63) (  -0.42,-106.61)  225.31                80
 10/28/2023   21:04:09   (   0.03,-104.63) (   0.60,-102.15)  283.72                80